We choose Paypal.com as payment gateway, it is the most popular payment system in the world. You may need to have a Paypal account first. When you make a payment, the money is first taken from your PayPal balance, the money is first taken from your PayPal balance. If your balance can't cover the full amount of your payment, the rest of the money will come from your credit or debit card.You can select the card to be charged each time you make a payment. Here's how: